Home | History | Annotate | Download | only in misc
      1 /*
      2  * partinfo.c
      3  *
      4  * Originally written by Alain Knaff, <alknaff (at) innet.lu>.
      5  *
      6  * Cleaned up by Theodore Ts'o, <tytso (at) mit.edu>.
      7  *
      8  */
      9 
     10 #include "config.h"
     11 #include <sys/types.h>
     12 #include <fcntl.h>
     13 #ifdef HAVE_SYS_IOCTL_H
     14 #include <sys/ioctl.h>
     15 #endif
     16 #include <stdio.h>
     17 #include <linux/hdreg.h>
     18 #include <unistd.h>
     19 #include <stdlib.h>
     20 #include <errno.h>
     21 #include <string.h>
     22 #include "support/nls-enable.h"
     23 #include "et/com_err.h"
     24 
     25 #if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
     26 #define BLKGETSIZE _IO(0x12,96)	/* return device size */
     27 #endif
     28 
     29 int main(int argc, char **argv)
     30 {
     31 	struct hd_geometry loc;
     32 	int fd, i;
     33 	unsigned long size;
     34 
     35 #ifdef ENABLE_NLS
     36 	setlocale(LC_MESSAGES, "");
     37 	setlocale(LC_CTYPE, "");
     38 	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
     39 	textdomain(NLS_CAT_NAME);
     40 	set_com_err_gettext(gettext);
     41 #endif
     42 	if (argc == 1) {
     43 		fprintf(stderr, _("Usage:  %s device...\n\nPrints out the "
     44 			"partition information for each given device.\n"
     45 			"For example: %s /dev/hda\n\n"), argv[0], argv[0]);
     46 		exit(1);
     47 	}
     48 
     49 	for (i=1; i < argc; i++) {
     50 		fd = open(argv[i], O_RDONLY);
     51 
     52 		if (fd < 0) {
     53 			fprintf(stderr, _("Cannot open %s: %s"),
     54 				argv[i], strerror(errno));
     55 			continue;
     56 		}
     57 
     58 		if (ioctl(fd, HDIO_GETGEO, &loc) < 0) {
     59 			fprintf(stderr, _("Cannot get geometry of %s: %s"),
     60 				argv[i], strerror(errno));
     61 			close(fd);
     62 			continue;
     63 		}
     64 
     65 
     66 		if (ioctl(fd, BLKGETSIZE, &size) < 0) {
     67 			fprintf(stderr, _("Cannot get size of %s: %s"),
     68 				argv[i], strerror(errno));
     69 			close(fd);
     70 			continue;
     71 		}
     72 
     73 		printf(_("%s: h=%3d s=%3d c=%4d   start=%8d size=%8lu end=%8d\n"),
     74 		       argv[i],
     75 		       loc.heads, (int)loc.sectors, loc.cylinders,
     76 		       (int)loc.start, size, (int) loc.start + size -1);
     77 		close(fd);
     78 	}
     79 	exit(0);
     80 }
     81